Chair armrest supporter



FIG. 1 is a perspective view of a chair armrest supporter showing my design;

FIG. 2 is a reduced front elevational view thereof;

FIG. 3 is a reduced rear elevational view thereof;

FIG. 4 is a reduced left side elevational view thereof;

FIG. 5 is a reduced right side elevational view thereof;

FIG. 6 is a reduced top plan view thereof; and,

FIG. 7 is a reduced bottom plan view thereof. 

The ornamental design for a chair armrest supporter, as shown and described. 